android 自定义menu背景

    代码比较简单，直接上。

package com.mys.activity;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.os.Handler;
import android.util.AttributeSet;
import android.view.InflateException;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.LayoutInflater.Factory;
import android.widget.Toast;
/**
 * 
 * <p>
 * DATE:  2011-3-1 下午01:21:25
 * <p>
 * HISTORY: 1.0
 * 
 * @version 1.0
 * @author mys(牟玉石)
 * @since java jdk1.6.0_06<br>
 * @beanid <br>
 *
 * 功能描述:<br>
 */
public class MainActivity extends Activity {
	/** Called when the activity is first created. */

	private static final int ABOUT = 1;
	private static final int EXIT = 2;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// TODO Auto-generated method stub
		// 这里可以使用xml文件也可以使用代码方式，代码方式比较灵活一些~~~
		// MenuInflater inflater = new MenuInflater(getApplicationContext());
		// inflater.inflate(R.menu.options_menu, menu);
		menu.add(0, ABOUT, 1, "关于");
		menu.add(0, EXIT, 2, "退出");

		setMenuBackgroud();
		return true;
	}

	/**
	 * 处理点击菜单
	 * 
	 * @param item
	 * @return
	 * @see android.app.Activity#onOptionsItemSelected(android.view.MenuItem)
	 * @author mys at 2011-3-1 下午01:21:01
	 */
	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		// TODO Auto-generated method stub
		int id = item.getItemId();
		switch (id) {
		case ABOUT: //如果使用xml方式，这里可以使用R.id.about
			Toast.makeText(this, "点击了about菜单", Toast.LENGTH_SHORT).show();
			break;
		case EXIT: //同上
			android.os.Process.killProcess(android.os.Process.myPid());
		}
		return super.onOptionsItemSelected(item);
	}

	/**
	 * 设置背景
	 * 
	 * @author mys at 2011-3-1 下午01:04:29
	 */
	private void setMenuBackgroud() {
		// TODO Auto-generated method stub
		getLayoutInflater().setFactory(new Factory() {

			@Override
			public View onCreateView(String name, Context context,
					AttributeSet attrs) {
				// TODO Auto-generated method stub
				if (name
						.equals("com.android.internal.view.menu.IconMenuItemView")) {
					LayoutInflater f = getLayoutInflater();
					try {
						final View view = f.createView(name, null, attrs); // 尝试创建我们自己布局
						new Handler().post(new Runnable() {

							@Override
							public void run() {
								// TODO Auto-generated method stub
								view
										.setBackgroundResource(R.drawable.background); // 设置背景为我们自定义的图片
							}
						});
						return view;

					} catch (InflateException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					} catch (ClassNotFoundException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
				}
				return null;
			}
		});
	}
}

评论

3 楼 619471854 2013-11-04  

把 getLayoutInflater()改为 (LayoutInflater) context .getSystemService(Context.LAYOUT_INFLATER_SERVICE)

2 楼 shangfyok 2011-07-22  

改为android2.2版，并在2.2版的虚拟机上运行成功了！

不知道为什么2.3版的不行

1 楼 shangfyok 2011-07-20  

android.view.InflateException: Binary XML file line #17: Error inflating class com.android.internal.view.menu.IconMenuItemView

这个异常是什么原因？